iKross USB 2.0 to Serial (9-Pin) RS-232 DB-9 Male Converter Adapter Cable (with PL2303 chipset) Simple setup, installation and operation provides robust serial connectivity to legacy PCs. Drawing power from USB saves the hassle of carrying an external power adapter. Extensive list of compatible operating systems makes this device perfect for almost any RS232 application. USB to Straight-Through RS232 Serial Adapter.It's perfect for PDA, DIGITAL CAMERA, MODEM and MOBILE PHONES. Supports up to 1 Mbits/sec serial data transfer rates ; thin cables and light weight makes it portable and easy to carry.